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// Other services

Port 1346: Alta Analytics License Manager

Port 1346 is assigned by IANA to alta-ana-lm (Alta Analytics License Manager).

1346

How alta-ana-lm works

Other services
client:1346alta-ana-lmresponse client:1346alta-ana-lmresponse

The client sends a request to port 1346 and the alta-ana-lm service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 1346 dangerous?

We have no specific security note for port 1346. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 1346

ServicePortTransportDescriptionReferenceUpdated
alta-ana-lm 1346 TCP, UDP Alta Analytics License Manager - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1346, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1346'      # process listening on 1346
sudo lsof -nP -i :1346

macOS

sudo lsof -nP -i :1346

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1346 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1346
netstat -ano | findstr :1346

From another machine

nmap -p 1346 -sV <host>
sudo nmap -sU -p 1346 <host>
nc -zv <host> 1346

Block it in the firewall

sudo ufw deny 1346/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1346" -Direction Inbound -LocalPort 1346 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1346 used for?

Port 1346 is assigned by IANA to alta-ana-lm (Alta Analytics License Manager).

Is port 1346 TCP or UDP?

Port 1346 is registered for TCP and UDP.

Is it safe to open port 1346?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 1346 is open?

On Linux run "ss -ltnup 'sport = :1346'", on macOS "lsof -nP -i :1346", and on Windows "netstat -ano | findstr :1346" to see the local process. From another machine, "nmap -p 1346 <host>" shows whether it is reachable.

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